#include"mystdio.h"
#include<string.h>
#include<stdio.h>
#include<unistd.h>
#define FILE_NAME "log.txt"
int main ()
{
    myFILE*fp=my_fopen(FILE_NAME,"w");
    if(fp==NULL)return 1;
    const char *str="hello bit";
    int cnt =10;
    char buffer[128];
    while(cnt)
    {
     sprintf(buffer,"%s-%d",str,cnt);
     my_fwrite(fp,buffer,strlen(buffer));
     cnt--;
     sleep(1); 
     my_fflush(fp);
    }
    my_fclose(fp);
    return 0;
}
